Adding the ability to join multiple collapsables into a group, and fire an event when a group item is clicked so that the others can close up if required.
Adding the ability to join multiple collapsables into
a group, and fire an event when a group item is clicked
so that the others can close up if required.

This turns the collapsables in the group into an
'accordion'

Conflicts:
	assets/js/components/Collapsable.js

moneyadviceservice/dough,moneyadviceservice/dough,moneyadviceservice/dough,moneyadviceservice/dough